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Always reset the thread desktop before calling DuplicateOutput()

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Otherwise capture will fail if the thread desktop is different than the current input desktop (ex: UAC secure desktop is active)
This commit is contained in:
Cameron Gutman
2024-01-17 17:15:21 -06:00
parent 8a86678d62
commit f64712f277
2 changed files with 31 additions and 4 deletions
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15
src/platform/windows/display_base.cpp
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@@ -376,11 +376,15 @@ namespace platf::dxgi {
// Check if we can use the Desktop Duplication API on this output
for (int x = 0; x < 2; ++x) {
dup_t dup;
// Ensure we can duplicate the current display
syncThreadDesktop();
status = output1->DuplicateOutput((IUnknown *) device.get(), &dup);
if (SUCCEEDED(status)) {
return true;
}
Sleep(200);
std::this_thread::sleep_for(200ms);
}
BOOST_LOG(error) << "DuplicateOutput() test failed [0x"sv << util::hex(status).to_string_view() << ']';
@@ -405,9 +409,6 @@ namespace platf::dxgi {
FreeLibrary(user32);
});
// Ensure we can duplicate the current display
syncThreadDesktop();
// Get rectangle of full desktop for absolute mouse coordinates
env_width = GetSystemMetrics(SM_CXVIRTUALSCREEN);
env_height = GetSystemMetrics(SM_CYVIRTUALSCREEN);
@@ -679,6 +680,9 @@ namespace platf::dxgi {
// We try this twice, in case we still get an error on reinitialization
for (int x = 0; x < 2; ++x) {
// Ensure we can duplicate the current display
syncThreadDesktop();
status = output5->DuplicateOutput1((IUnknown *) device.get(), 0, supported_formats.size(), supported_formats.data(), &dup.dup);
if (SUCCEEDED(status)) {
break;
@@ -705,6 +709,9 @@ namespace platf::dxgi {
}
for (int x = 0; x < 2; ++x) {
// Ensure we can duplicate the current display
syncThreadDesktop();
status = output1->DuplicateOutput((IUnknown *) device.get(), &dup.dup);
if (SUCCEEDED(status)) {
break;